//#include<iostream>
//using namespace std;
//class Person
//{
//	friend ostream& operator<<(ostream& cout, Person& p);
//public:
//	Person():m_B (10),m_A(10){}
//private:
//	int m_A;
//	int m_B;
//
//};
//ostream& operator <<(ostream& cout, Person& p)
//{
//	cout << "m_A = " << p.m_A << " m_B = " << p.m_B;
//	return cout;
//}
//
//int main()
//{
//	Person p;
//	
//	cout << p << endl;
//
//	return 0;
//}